import type { BodyObject, WebAnnotation } from './WebAnnotation.js';
import { OnlyOne } from './multiplicity-utils.js';
/**
 * Turn a partial annotation into a ‘well-formed’ WebAnnotation.
 *
 * It sets the following properties, if absent in the given stub:
 * - `@context` as required
 * - `type` as required, to `'Annotation'`
 * - `created` as recommended (to the current time)
 * - `target` to `'about:invalid'`
 *
 * @returns A shallow clone of the given annotation stub, with the missing
 * properties added.
 */
export declare function completeAnnotationStub(annotationStub: Partial<WebAnnotation>): WebAnnotation;
/**
 * Get the name of the creator. If there are multiple, returns the first.
 * Assumes the creator is a nested Agent object: if the creator a string
 * (presumably the URL of an Agent node), `undefined` is returned.
 */
export declare function getSingleCreatorName(annotationOrBody: WebAnnotation | BodyObject): string | undefined;
/**
 * Check whether the annotation likely targets the given URL.
 *
 * The word “likely” is used because, in its comparison, this ignores the URL
 * scheme, fragment and query parameters.
 *
 * Note that, strictly speaking, a URL should be treated as an opaque string.
 * In practice, it may however be useful to consider URLs as ‘likely equivalent’
 * in order to apply annotations targeting one URL to the document with the
 * very similar URL. Apply with caution: Especially a different query may,
 * depending on the website at hand, result in very different documents.
 */
export declare function targetsUrl(target: WebAnnotation['target'], url: string): boolean;
/**
 * Get the URLs of the resources that the annotation targets, for all its
 * targets.
 */
export declare function getTargetUrls(target: WebAnnotation['target']): string[];
/**
 * Get the URL of the resource that the annotation targets, for a single
 * target.
 */
export declare function getTargetUrl(target: OnlyOne<WebAnnotation['target']>): string;
/**
 * Get the exact quotes that the annotation targets using a TextQuoteSelector,
 * if any.
 */
export declare function getTargetQuotes(target: WebAnnotation['target']): string[];
/**
 * Get the exact quote that a single target of an annotation targets using a
 * TextQuoteSelector, if any.
 */
export declare function getTargetQuote(target: OnlyOne<WebAnnotation['target']>): string | undefined;